I installed 10.04 today and immediately upgraded to 12.04 (Long story). Tried to install Ubuntu One and got this warning:
QUOTE W:Failed to fetch cdrom://Ubuntu 10.04.4LTS_Lucid Lynx_-Release i386 (20120214.2)/dists/lucidmain/binary-i386/Packages Please use apt-cdrom to make this CD-ROM recognized by APT.apt-get update cannot be used to add new CD-ROMs ,W:Failed to fetch cdrom://Ubuntu 10.04.4LTS_Lucid Lynx_-Release i386 (201214.2)/dists/lucid/restricted/binary-i386/Packages Please use apt-cdrom to make this CD-ROM recognized by APT. apt-get update cannot be used to add new CD-ROMs ,E:Some index files failed to download. They have been ignored, or old ones used instead. UNQUOTE
I don't have a clue what this means nor do I know what to do. Any help available?